CLUTCH TROUBLE DIAGNOSIS AND CORRECTIONS #4
When The Clutch Slips
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POSSIBLE CAUSES
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REMEDIES
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| 1) Insufficient clutch pedal return travel, due to the flexible cable being stuck or the pedal return spring being too weak. |
1) Locate cause of failure and replace spring or eliminate sticking of control cable. |
| 2) Damaged throwout mechanism. |
2) Overhaul throwout mechanism; also clutch, if required. |
| 3) Clutch pressure springs weak or broken. |
3) Overhaul clutch and replace springs. |
| 4) Oil or grease on driven plate facings. |
4) Remove cause of oil leakage and replace facings, if they cannot be reconditioned by rubbing with turpentine and metal brush. |
| 5) Driven plate facings worn or burned. |
5) Replace facings. |
CLUTCH TROUBLE DIAGNOSIS AND CORRECTIONS #3
If you Experience Noises when Clutch Pedal is Released
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POSSIBLE CAUSES
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REMEDIES
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| 1) Misalignment of driven plate to flywheel causes slight movement of driven plate hub in respect of facings. This noise is particularly audible with engine idling or running at low speed. |
1) Set level of driven plate. With driven plate locked on clutch shaft, set it under slight rotation and check for no runout in excess of .0118″ (0, 3 mm), using a scriber. |
| 2) Insufficient pedal free play. |
2) Set clutch pedal free play at 13/8 to 1 9/16 (35 to 40 mm) |
| 3) Pedal return spring broken, weak or unhooked. |
3) Replace the spring or hook it up carefully. |
| 4) Forked lever return spring broken, weak or unhooked. |
4) Replace the spring or hook it up and check for correct position. |
CLUTCH TROUBLE DIAGNOSIS AND CORRECTIONS #2
If The Clutch Grabs
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POSSIBLE CAUSES
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REMEDIES
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| 1) Oil or grease on flywheel, pressure plate and driven plate facings. |
1) Remove cause of leakage, clean flywheel and pressure plate thoroughly, replace driven plate facings. |
| 2) Loose driven plate facings due to poor rivet tightness. |
2) If facings are not worn, replace defective rivets. Otherwise, replace facings and clench rivets securely. |
| 3) Driven plate hub does not slide freely on clutch shaft. |
3) Remove any foreign matter or dirt deposits from shaft splines. Should trouble still be present, replace damaged part. |
| 4) Pressure plate deeply cracked or broken. |
4) Replace pressure plate. |
| 5) Improper adjustment of withdrawal levers. |
5) Adjust withdrawal levers as specified, under <<Assembly and Adjustment of Clutch>>. |
| 6) Misalignment. |
6) Locate the defective point and, if possible, reset alignment or replace distorted parts. |
| 7) Stiffened throwout mechanism. |
7) Locate stiff point and replace parts, if necessary. |
| 8) Driven plate facings worn out. |
8) Install new facings and make sure that the driven plate, pressure plate and flywheel are not damaged. |